Their repertoire ranges from early and classical music combined with folkloric repertoire from different countries, to modern music by living composers. The Cologne Guitar Quartet is also working on widening the repertoire for guitar quartet by making new arrangements of orchestral and chamber music works. They are collaborating with composers such as Feliu Gasull Sergej Maingardt, Dariya Maminova, Vincent Michalke, Francisco Goldschmidt and Lucia Kilger.
The quartet was granted with several 1st prizes in various competitions such as „Brigitte-Kempen chamber music competition”, “Karlsruhe competition for the Interpretation of contemporary music", “IMKA international internet competition”, 2nd prize in "Wuppertaler chamber music" competiton", as well as "Live Music Now" Scholarship from the Yehudi Menuhin Foundation.
Recognized for their captivating and virtuosic performances, the quartet was invited to perform in various festivals such as "speGTRa" in Aachen, "Les Musicales" in Redon (France), "Zeitgenuss" in Karlsruhe and “Felicja Blumental” in Israel. In 2018 they have toured in China and their upcoming season includes concerts in Italy Portugal, Greece and Germany.